Vulnerability · Published Mar 12, 2026 · Assigned by apple
CVE-2023-43010
High 8.8
In plain English
A high-severity buffer overflow in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 38.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2, Safari 17.2, iOS 16.7.15 and iPadOS 16.7.15, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.46.3-1.el8_10 | ALSA-2024:9636 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.46.3-1.el8_10 | ALSA-2024:9636 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.46.3-1.el8_10 | ALSA-2024:9636 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.46.3-1.el8_10 | ALSA-2024:9636 |
| Debian:12 | webkit2gtk | 2.44.1-1~deb12u1 | DEBIAN-CVE-2023-43010 |
| Debian:13 | webkit2gtk | 2.44.0-1 | DEBIAN-CVE-2023-43010 |
| Debian:14 | webkit2gtk | 2.44.0-1 | DEBIAN-CVE-2023-43010 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2023-43010 |
| Debian:13 | wpewebkit | 2.44.1-1 | DEBIAN-CVE-2023-43010 |
| Debian:14 | wpewebkit | 2.44.1-1 | DEBIAN-CVE-2023-43010 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2023-43010 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2023-43010 |
| Ubuntu:22.04:LTS | webkit2gtk | 2.44.3-0ubuntu0.22.04.1 | UBUNTU-CVE-2023-43010 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.44.3-0ubuntu0.24.04.1 | UBUNTU-CVE-2023-43010 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2023-43010 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | unspecified – before 17.2 |
| Apple | Safari | unspecified – before 17.2 |
| Apple | macOS | unspecified – before 14.2 |
| Apple | iOS and iPadOS | unspecified – before 16.7.15 |
| Apple | iOS and iPadOS | unspecified – before 15.8.7 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://support.apple.com/en-us/120877
- https://support.apple.com/en-us/120300
- https://support.apple.com/en-us/120879
- https://support.apple.com/en-us/126646
- https://support.apple.com/en-us/126632
- http://seclists.org/fulldisclosure/2026/Mar/1
- https://access.redhat.com/security/cve/CVE-2023-43010 vdb-entry, x_refsource_REDHAT
- RHBZ#2448778 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-43010.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2025:10364 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9636 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9680 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9679 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9653 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9646 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:8496 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:8492 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:8180 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:9144 vendor-advisory, x_refsource_REDHAT